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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Ridden Direction
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
ContributeDetails
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches

LEGEND
Trail Difficulties
  • Access Road/Trail
  • White
  • Green
  • Blue
  • Black
  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed

  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
  • Map Markers
  • trail Trail Head
  • photo Photo
  • place Directory Listing
  • region Riding Area
  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Boardwalk Boardwalk
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      No description for Alpine has been added yet! Login or register to submit one.
      Region Details
      • 3
      • 6
      • 20
      • 13
      • 4

      Region Status
      Open as of Oct 7, 2020

      Stats

      Avg Trail Rating
      Trails (view details)
      46
      Trails Mountain Bike
      46
      Trails Hike
      33
      Trails Trail Running
      33
      Total Distance
      31 miles
      Total Descent
      9,998 ft
      Total Vertical
      1,788 ft
      Highest Trailhead
      2,826 ft
      Reports
      90
      Photos
      198
      Ridden Counter
      1,165
      Sub Regions

      Recent Ridelog Activity in Region

      Today
      • 0 rides
      • 0 ft avg distance
      Yesterday
      • 2 rides
      • 9 miles avg distance
      Past Week
      • 14 rides
      • 11 miles avg distance

      Photos of Alpine Mountain Bike

      37 |
      Apr 19, 2020 @ 10:56am
      Apr 19, 2020
      63 |
      Apr 19, 2020 @ 10:51am
      Apr 19, 2020
      51 |
      Feb 25, 2019 @ 3:35pm
      Feb 25, 2019
      47 |
      Feb 25, 2019 @ 3:34pm
      Feb 25, 2019

      Videos of Alpine Mountain Bike

      Fontana Cal State Series Rd 2. Run 2. Warren Bower
      trail: Run 2
      2:06 | 314 | Jun 7, 2015
      Fontana Cal State Series Rd 2. Run 1. Warren Bower
      trail: Run 1
      2:16 | 166 | Jun 7, 2015
      Noble Canyon 5/3/2015
      trail: Run 2
      5:53 | 142 | May 4, 2015
      FONTANA CITY NATIONAL'S FINAL RUN 3-22-2015
      trail: Run 3
      2:51 | 221 | Mar 23, 2015

      Recent Trail Reports

      statustraildateconditionuserinfo
      Fast and Loose
      Oct 7, 2020 @ 5:15pm
      Oct 7, 2020
      Very DryjessemeyersFast and loose but that's kinda the point.
      East entrance
      Jun 8, 2020 @ 6:30pm
      Jun 8, 2020
      DryscarshinTrails are running fast.
      Baby head
      Jun 8, 2020 @ 6:30pm
      Jun 8, 2020
      Dryscarshin
      Minefield
      Jun 8, 2020 @ 6:30pm
      Jun 8, 2020
      DryscarshinWatch for water erosion at the bottom.
      Mainline - Minefield diagonal connector
      Jun 8, 2020 @ 6:30pm
      Jun 8, 2020
      Dryscarshin
      Rocky Road
      Jun 8, 2020 @ 6:30pm
      Jun 8, 2020
      Dryscarshinrocky fun climb
      Un-named run
      Jun 8, 2020 @ 6:30pm
      Jun 8, 2020
      Dryscarshin
      Mainline
      Jun 2, 2020 @ 5:31pm
      Jun 2, 2020
      Dryscarshin
      Run 1
      Jun 2, 2020 @ 5:31pm
      Jun 2, 2020
      Dryscarshin
      Big Momma DH
      Mar 16, 2020 @ 4:10pm
      Mar 16, 2020
      Variablegfrider12345Pretty fun steeper trail. There’s a...

      Activity Feed

      usernameactiontypetitledate
      user #183405stoker1223riddentrailBaby head and 21 more
      Sep 28, 2020 @ 7:44am
      Sep 28, 2020
      user #2408562YourmanarmanwishlisttrailMt. Gower Traverse
      Sep 12, 2020 @ 8:04pm
      Sep 12, 2020
      user #1093550hengrovevotetrailMt. Gower Traverse
      Sep 12, 2020 @ 11:13am
      Sep 12, 2020
      user #2033989hsanseverinowishlisttrailMt. Gower Traverse
      Jul 3, 2020 @ 7:57pm
      Jul 3, 2020
      user #2252864Collin96riddentrailEast entrance and 11 more
      Jun 25, 2020 @ 5:29pm
      Jun 25, 2020

      Recent Comments

      usernametypetitlecommentdate
      user #1061134schralpitecturetrailHimmel Canyon RunWhoever keeps this trail up is a saint!
      May 30, 2020 @ 5:51pm
      May 30, 2020
      user #1698636CsmigelstrailHimmel Canyon RunSuper fun trail !!
      Feb 25, 2019 @ 3:37pm
      Feb 25, 2019
      user #1698636CsmigelstrailMt. Gower TraverseRide this today , prepar yourself for a 10ish...
      Feb 25, 2019 @ 3:36pm
      Feb 25, 2019
      user #1197023W33bletrailridge to ridgeThese trails are in serious need of some...
      Dec 29, 2017 @ 4:42pm
      Dec 29, 2017
      user #1197023W33bletrailThe RuinsThese trails are in serious need of some...
      Dec 29, 2017 @ 4:42pm
      Dec 29, 2017

      Local Badges

      • By SoCal-AM & contributors
      • Admins: SDMBA
      • #8892 - 2,215 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Alpine.
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